Base | Representation |
---|---|
bin | 10111010011001001… |
… | …10101000100110011 |
3 | 1012021202021210210221 |
4 | 23221210311010303 |
5 | 201104210233444 |
6 | 5425120233511 |
7 | 621656013160 |
oct | 135144650463 |
9 | 35252253727 |
10 | 12508680499 |
11 | 5339907887 |
12 | 251116b897 |
13 | 12446689c3 |
14 | 8693d3067 |
15 | 4d3250a84 |
hex | 2e9935133 |
12508680499 has 16 divisors (see below), whose sum is σ = 14386507200. Its totient is φ = 10653784704.
The previous prime is 12508680497. The next prime is 12508680551. The reversal of 12508680499 is 99408680521.
12508680499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12508680499 - 21 = 12508680497 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12508680491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723949 + ... + 741025.
It is an arithmetic number, because the mean of its divisors is an integer number (899156700).
Almost surely, 212508680499 is an apocalyptic number.
12508680499 is a deficient number, since it is larger than the sum of its proper divisors (1877826701).
12508680499 is a wasteful number, since it uses less digits than its factorization.
12508680499 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17742.
The product of its (nonzero) digits is 1244160, while the sum is 52.
The spelling of 12508680499 in words is "twelve billion, five hundred eight million, six hundred eighty thousand, four hundred ninety-nine".
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